Ask Price. Price. VAV boxes have been used for decades in buildings worldwide, and perform well in many situations. 3 Global Variable Air Volume (VAV) Box Price by Type (2017-2022) 5. Only available through manufacturers of VAV boxes. Learn how to install, operate, and troubleshoot the VariTrane VAV terminal units with this comprehensive installation manual. in. Materials: Galvanised steel as standard or 316 stainless steel on request. Can match with pneumatic Control, Analog Electronic Control or Direct Digital Control (DDC); 3. 20 GA. Johnson Controls Pneumatic VAV. O Box – 3180 , Ajman Phone: +971 6 7436900 Email: info@airmaster. Applying better control design or control retrofit measures to HVAC systems were reported with large energy savings potential (Hydeman et al. View Product Details. Cooling only in interior zones - reheat boxes optional. VAV terminal units have been widely used for space comfort conditioning over the last 30 plus years. Help. FEATURES: Sinro VAV box can be used in low pressure or medium static pressure, single duct or double-duct system. 27. Price は空気分配、重要制御、騒音制御製品の供給において市場のリーダーです。このPDFでは、FDVシリーズのファンドライブベントレーターの特徴、仕様、選択方法などを詳しく紹介しています。FDVは高効率、低騒音、簡単なメンテナンスなどの利点を持ち、さまざまな空調システムに適用でき. NMV-D3-MOD. , please refer to the documentation provided by the controls contractor. . The controller keeps track of the actual position of the damper (0% to 100% open) and calibrates itself every 24 hours. ell Honeywell Honeywell Honeywell ohnson Controls ohnson Contro s ohnson Controls Siemens Siemens Siemens Siemens Siemens Siemens Siemens Siemens Schneider Electric (TAC) This design allows the primary airflow to supply the cooling demand, similar to single duct terminal units, leaving the recirculating air section to provide the heating air volume. 2008). g. ₹ 15,000. Steel heavy duty filter grille, 1/2" blade spacing, 38 degree deflection, blades parallel to short dimension. 00 EA Single Duct Terminal Unit (VAV) @ 6" inlet DESV08 $240. Today’s VAV boxes and VAV valves require very much lower pressures to operate them with 20Pa being typical, which would show a significant energy saving over the original units. balance a VAV terminal box. A Bypass VAV box provides constant or variable airflow depending on the temperature demands of the space. They could be used in stand. The terminal unit controls are supplied by the controls contractor and either factory or field mounted and wired. Return air by ceiling plenum. TROX Easy Product Finder Fast. See Figure 4. Only available through manufacturers of VAV. Above all, falling prices for variable-frequency drivesPK !X™¬u› ` [Content_Types]. 3%Get VAV Boxes in Kasturi Nagar, Bengaluru, Karnataka at best price by Castor Engineering Private Limited. 1. The VAV Box MDB port plug-and-play hardware uses artificial intelligence and two cameras to scan the consumer’s photo ID and age information and verify the image with the camera view of the person at the machine. August 19, 2009. Please Contact us for your Account Level Pricing. - Available with electronic or direct digital control. 13. ORIGINAL PRICE LIST 11. The expansion modules come equipped with a ribbon cable that is easy to plug in from the PIC to the selected module. If you need help selecting the best unit for your application, call us at 800-227-9800. 00. Fiber Free Internal Insulation - 3/4" thick polymer foam - no fiberglass in the airstream, suitable for hospital and cleanroom applications. Be sure to check out our full catalog of VAV boxes and accessories. Virtech Automation Engineers. Single Duct terminals are the fundamental building blocks for Variable Air Volume (VAV) systems. mm. Contact Supplier. 1E/BA S55499-D168 VAV compact controller BACnet 1 The manufacturer of VAV box units (OEM) generally configures and assembles VAV compact controllers. Pressure Independent VAV with Heater (Variable Air Volume Terminals) • Pressure Independent VAV Unit has one primary air inlet, one rectangular discharge outlet to the room and one rectangular bypass discharge outlet. Saudi Arabia. 89 per kilowatt and $0. Available only in Asia Pacific. Unlike constant air volume (CAV) systems, which supply a constant airflow at a variable temperature, VAV systems vary the airflow at a constant or varying temperature. differential pressure signal from airflow sen-sor. 003 inch velocity pressure (VP) and controllable minimum. Dylan Mechanical Construction Services, Inc Commission Agent: Harold Cullick, PE May 24, 2010 BT Collins High Tech RTS, Sacramento, CA. zinc coated steel housing, mechanically sealed and gasketed, leak resistant construction. The latest edition includes our latest product offering including a new section on VAV Diffusers, as well as the products you have come to know and trust across nine other product categories. Mumbai No. At the heart of our VAV Terminal Units is our pioneering and patented Aerofoil Control Valve, which provides industry leading performance any way you look at it. Fan-powered VAV units feature this same design, but add a fan. หน้าแรก > สินค้า > กล่องควบคุมลม Variable Air Volume (VAV Box) Variable Air Volume (VAV Box) Krueger. We’ll also look at the maintenance work needed for VAV boxes. 044 per kilowatt-hour, and $7. See Figure 1 below for a schematic representation of the concept. From standard grilles and registers, to its architectural line of Formations® linear slot diffusers, along with a newly released series of displacement diffusers, METALAIRE has the air devices to meet every need. Table 3. Receiving Inspection VAV terminal units it's not just about superficial aesthetics , it's about a perfect unison of form , function and reliability WB Air Techniques Pte Ltd Block 7 Toa Payoh Industrial Park #01-1245 Singapore 319059 tel : 65 6252-6707 fax : 65 6253-4435 email wbsales@singnet. TEC Terminal Box (VAV) Controller The TEC Terminal Box Controller provides high performance Direct Digital Control (DDC) of pressure-independent, variable-air-volume zone-level routines. Used for calibration. 33RL. 95. These dampers facilitate the air flow to each zone and each room to be controlled during testing & commissioning. A true VAV box consists of an air valve and maybe a heat source only. 00 EA Single Duct Terminal Unit (VAV) @ 12" inlet $333. info@kadairconditioning. A pressure independent controlof the primary VAV damper is accomplished by use af a differential pressure grid which gives accurate controlaf air flow even with a goo bend on. The Johnson Controls single duct units along with. Reliable. SINGLE DUCT VAV - SDV/SDVE MODELS VAV Boxes $200. 2537 King Abdullah Ibn Abdul Aziz Rd. We can quickly provide VAV boxes, dual duct boxes and fan powered boxes that are not in stock here because Price has over 175,000 sq ft of manufacturing space and 400 employees in Atlanta, Georgia ready to build your. The terminal unit controls are supplied by the controls contractor and either factory or field mounted and wired. The main purpose of fan-powered VAV boxes is to make use of the plenum air. hotrodrob. The new range of products merge air flow control functionalities with the monitoring of other parameters like temperature. • Units are tested by ETL Intertek in accordance with AHRI Standards 880-2011,“Performance Rating of Air Terminals” And ASHRAE 130-2008,“Methods of Testing Air. mm. This probe needs to be installed about 2/3 of the way down the main supply duct run. List Price 1515. g. 2. VAV Boxes Ask Price. 04-07-2005, 07:51 PM #3. Variable Air Volume boxes (VAV Box) Variable Air Volume Terminals modulates air flow in to an occupied. View Profile. w. 10 V. The airflow sensor should be able to generate this signal with only 400 toVAV Box DESV 12". 7 m/s; High control accuracy, even in case of unfavourable upstream conditions Ninth Wave Technologies - Offering Galvanized Steel Casing Variable Air Volume Box, For Industrial, Shape: Circular/Round at Rs 15000/piece in Hyderabad, Telangana. The terminal unit precisely regulates the flow of conditioned air to a room or zone in response to thermostat demand for cooling or heating. Quantity. Rotary actuator fail-safe for VRU, 6 Nm, AC/DC 24 V, 4 s, IP54. Standalone coils supplied as duct heaters are certified in compliance with UL 1996. 1. Made with FlippingBook - Online Brochure Maker. WebSelect VAV Selection Quick Start User Guide for Engineers Page 4 Step 2 - Selecting the First VAV Box in a Project Note: The program selects and checks option configuration of the VAV boxes. A key element of VAV boxes is differential pressure sensors that constantly measure airflow and direct the control system to make adjustments as needed. Trane Variable Volume VariTrane Single-Duct VAV Terminal Unit Cooling 12". 4. Table 3. — An actuator (For Lon: CVL4022AS-VAV1 and For Stryker BACnet VAV: CVB4022AS-VAV1) that mounts directly onto the VAV box damper shaftThe VAV and room automation solution for OEMs. A longer answer is required. Zinc coated steel casing, mechanically sealed, low leakage construction. L. VAV pressure independent operation. As an estimation engineer I am always thinking why a VAV box when we can get probably 4 diffusers for the price of 1 VAV box. Price (Ascending) Price (Descending) VAV application (17) Comfort (11) Process Air (5) Residential . The VAV box is connected via a cable to a thermostat which is located within the room, or the zone. Mumbai, Maharashtra. The controller keeps track of the actual position of the damper (0% to 100% open) and calibrates itself every 24 hours. As discussed, the foreman will only be productive for 4 hours. catalog including Part #,For VAV Box (in),Number of Coil Rows,Coil Connection OD (in),Dimension L (in),Dimension B (in),Dimension C (in),List Price. Variable Air Volume Terminals – Description. Chapter 1: Variable Air Volume (VAV) Box Market Product Definition, Product Types, Volume, and Revenue Analysis of Each Type in North America, Europe, Asia-Pacific, Latin America, Middle East, and. • Unit has one primary air inlet, one rectangular discharge outlet to the room and one rectangular bypass discharge outlet. Figure 1 VAV System Schematic 2 The VAV system works by automatically reducing or increasing the amount of cool air allowed into a space (zone). com Home; Products; Certification; Reference;Extra outputs control VAV box reheat coils. 00 50. zinc coated steel housing, mechanically sealed and gasketed, leak resistant construction. DNT-VAV-DG1-A Delta 331036 DNT-VAV-DG1-A. It works in conjunction with a thermostat to measure the temperature and send signals to the damper to open or close accordingly. Do not mount this directly after the main fan, as the transducerWebSelect VAV Selection/Pricing Quick Start User Guide Page 4 Step 2 - Selecting the First VAV Box in a Project Note: The program selects, configures and prices VAV boxes all at once so when you price a box, the engineering rules are checked at the same time. ∆p @ V nom 1) Change in pressure at nominal volumetric fl ow setting, dependent upon VAV box parameters. VAV Terminals AHRI Standard 880 . Vav & Silencer. At the end of this presentation, you will be able to: 1. 00Asli Variable Air Volume (Vav) Terminal Units are volume flow rate controller for supply air on variable air volume system. Description. in. HVAC systems in commercial buildings are getting smarter every day. 49 per therm. Unlike constant air volume (CAV) systems, which supply a constant airflow at a variable temperature, VAV systems vary the airflow at a constant or varying temperature. 03 inch W. Analog Electronic Control Arrangement — The damper actuator responds to ch anges in the thermostat demand. 7 10% 100% Energy consumption with 100% setpoint Total energy consumption per year: 185581 kWh Annual savings: (49056 x USS 0. Honeywell VAV box used for air distribution Durga Trading Co. c. For any variable air volume application out of the box. Prices are subject to change without notice. Variable air volume. 10:32 am. These controllers also provide 2 freely configurable PID loops to make use of any free pins in the controller. Sound Attenuators. com VAV TERMINAL UNIT SELECTION: USING REHEAT TO SAVE MONEY _____VAV Box DESV 6". 1. 00 EA $137. air terminals (vav) p. The leak-resistant casing is fabricated with 22 gauge. If an Electric R eheat Coil has been supplied, refer to the electrical schematic which is permanently fixed to the underside of the electrical control The current average market price of Vav Boxes is Rs 12,000/ Unit. Mounts on EN 50 022 - 35 X 15 DIN rail that is included in the VAV unit control box when the UC400 is factory mounted. This conference room can seat 12 people and is 240 sq. The open end-stop is automatically set for 90° boxes. Variable Air Volume System. • E nsu r etham oi g f c p controller and any user-supplied enclosure and electronics. VAV BOX VAV BOX AIR HANDLING UNIT Energy Recovery with Variable Air Volume Preconditioner Applications These diagrams illustrate how energy recovery units can be used in conjunction with other HVAC equipment. 17 1/2 in. Please use the Knox Price List below and follow the link to the Knox Document Library where you can access Spec. Ltd. , please refer to the documentation provided by the controls contractor. com | (800) BUCKLEY. TROX is one of the world’s leading manufacturers of these units. 00 PDDR2210/2412 22 x 10 / 24 x 12 764 $58. Results are presented from a multiple site field demonstration in which APAR and VPACC were embedded in commercial AHU and VAV box controllers. These controllers also provide 2 freely configurable PID loops to make use of any free pins in the controller. 1: Solving The Problem Of Simultaneously Heating Parts Of A. If an Electric R eheat Coil has been supplied, refer. Comfort Calculator. Title: FDV - Fan Powered Variable Volume Author: Price - Corporate Communications Subject: Section F Submittals Keywords: Terminal Units Created Date:VAV & CAV. The crew cost per day can be calculated like this: ((1 x $160) + (2 x $155) + (2 x $115)) x 8hrs = $5,600/crew day. This. $539. Electronic VAV Retrofit Kit. 5Pa]. sg Airmaster is a renowned Sound Attenuators Manufacturers, approved by leading consultants in the region for various prestigious projects such as king saud university (K. Many times this can be seen from the floor without climbing a ladder. Adjustable fan speed control. What is VAV meaning in Box? 3 meanings of VAV abbreviation. 6mm thk. Contact Supplier. • No annual fee and available for free download in Apple and Google Play stores. Citation 2015, Citation 2017; Cho and Liu Citation 2010). Multipoint crossflow sensor for accurate flow measurement. 3. This truly varies the volume of air to the space based on the space temp deviation from setpoint. VAV Cooling Only (Application 6620 -short board, 6600 long board) VAV Cooling or Heating (Application 6621 -short board, 6601 long board) VAV with Electric Reheat or Baseboard Radiation (Application 6622-short board, 6602-long board) VAV with Hot Water Reheat (Application 6623 -short board, 6603 long board)Type: Parallel fan-powered. Price Industries - Who We Are The founding principles of Price have never changed – business integrity, first-class service, innovation and a commitment to people. Johnson Controls single duct units offer the typical benefits. Variable Air Volume V AV is a type of heating, ventilating, and air conditioning H VAC system, unlike constant air volume. Table 2. Electronic VAV Retrofit Kit. Power cable – Wikipedia, the free encyclopedia. Eliminates pneumatics and associated maintenance. Figure1. A variable air volume (VAV) box, is a part of an air conditioning system. VAV Boxes $200. Optional appurtenances: VAV damper Size tested is 6, 10 and 14, and certification applies to the following sizes: VAV terminal units that are AMCA 610 certified VAV Size K Model Number Example I: Pressure independent C: Constant Air Volume 5 35. NECC brings a diverse offering of products and solutions to help our customers install and maintain their VAV systems at peak performance levels. VAV-SD Features and highlights • Capable Four 10-bit inputs and five binary outputs. Made with FlippingBook - Online Brochure Maker. Fan-less or cooling-only VAV boxes are thermostat-controlled assemblies with an integral damper. For ventilation ducting material price list: – Air Louver, please click the link: AIR. The Venturi Valve Upgrade kit enables you to replace outdated valve control systems on your schedule. FAN POWERED VAV TERMINALS New Release Form 130. 1. 7 m/s; High control accuracy, even in case of unfavourable upstream conditionsAlso find Variable Air Volume System price list | ID: 17444267962. Fibre-free insulation for VAVs in Healthcare to offer clean and silent operation. The Price FDC, series flow, fan powered terminal unit, is designed to supply air volume to the occupied zone in response to a control signal. So in the sequence of operation for a fan-powered VAV box, and a non-fan powered VAV box, would include closing the damper to. 4 of 9 Applications VAV systems have been commonly applied in various kinds. 5 Hz as an input for the 24VAC pulsed signal. single duct vav - sdv/sdve models pressure independent single duct vav - sdv/sdve models performance data 50 100 150 250 150 250 450 600 200 500 800 1100 300 800 1200 1900 450WebSelect VAV Selection/Pricing Quick Start User Guide Page 4 Step 2 - Selecting the First VAV Box in a Project Note: The program selects, configures and prices VAV boxes all at once so when you price a box, the engineering rules are checked at the same time. In the vertical direction, the VAV box can require up to 18", which can be a problem if above ceiling heights are relatively small. Price fan powered terminal units are supplied with permanently lubricated motors. the Symbio® 210 Programmable Variable-Air-Volume(VAV) Box Cont roller Installation, Operation, and Maintenance Manual (BAS-SVX084*-EN). The VAV device comes with controls that can measure a setpoint within the space being controlled, as well as normally temperature, humidity, CO 2 , and/or some other. 20. These VAV Boxes are valued amongst our clients for its features like low maintenance and best performance. The thermostat will indicate to the VAV terminal if it needs to increase or decrease the flow rate to meet the cooling demand. Overview. Price electric coils are factory mounted, ETL listed to meet electrical safety standards, and comply with dual designation CSA 236/UL 1995. Single Duct Terminal Units. 999 Yes Square Feet or Square Meters as determined by the application. 00 EA Single Duct Terminal Unit (VAV) @ 10" inlet $261. 11, 12 Hind Service Industries, 1st Floor, Sant Dnyaneshwar, Shivaji Park, Dadar West, Mumbai - 400028, Dist. 7 reviews. 00. 00 USD. boxes, VAV diffusers won’t dump when turned down. However, VAV boxes are very numerous in a typical HVAC system, resulting in a large amount of data toThe BACnet PTEC Terminal Box (VAV) Controller consists of an electronic controller assembly and on-board differential pressure sensor. g. This air is usually warmer than the air supplied by the VAV air handler. 00 PDF6/2424 6” Dia 24 x 24 98 $58. , please refer to the documentation provided by the controls contractor. p. 02-3168235. 00 EA DESV12 Sell Price: $261. 2. Fan-powered single duct series with reheat. This growing building “smarts” comes with big benefits – energy management tightens, tenant comfort becomes more commonplace, and cost savings grow. , please refer to the documentation provided by the controls contractor. Schematic of pressure-independent VAV box with hydronic reheat. Before shipping Products for return or exchange, you must obtain a Return Authorization Number from us. Integrated actuator. 1: Solving The Problem Of Simultaneously Heating Parts Of A. Used for calibration. 00 - $379. Stainless steel construction is available when corrosives and particulates are present in the airstream. The sale of certain items may be geographically restricted. For information on these accessories please refer to the Terminal Units Accessories catalog. 00 EA $96. Add to cart. 12 VAV-PRC011Y-EN Digit12,13,14,15—Controls (continued) DD87=UC210DDC-Basicplus-Local comparison of VAV boxes and should not be used to predict the NC level in the actual installed application. Minimum airflow limit for digital controls is based on min 0. MR. A sensitivity analysis is also conducted. 5 million cycles. g. When configuring the EVCB controller K factor, 515 would be entered. On the Unit screen, visually scan each input field and enter those fields that areVAV Diffusers 39 Air Terminals 39 Sheetmetal Ducts, Elbows & Fittings 40 - 41 Sheetmetal Accessories 42 - 43. IMHO, rules of thumb are only useful to trigger further analysis. Craig Company, Inc. for VAV pressure independent operation. 1 Global Variable Air Volume (VAV) Box Sales, Revenue and Growth Rate of Commercial VAV Boxes (2017-2022)YORKduct static pressure have made pressure-dependent boxes virtually obsolete. 1. Contact supplier Diameter: 6 inch Material: Mild Steel Flow Rate: 127 - 991 l/s Max Air Flow: From 80 to 8,000 CFM Test Pressure: 1. Figure 2. 8 mm. The Titus ESV is unique as it incorporates many design features that increase performance, decrease service and. The air handler is sized to meet the maximum block load of the area it serves. The Johnson Controls single duct low-height units along with all VAV family model types of Johnson Controls are manufactured and assembled with a patented multi-point, center-averaging, airflow sensor called the FlowStar sensor. Get VAV Box in Mumbai, Maharashtra at best price by Triton Process Automation Pvt. Call Us +966 9200 2 46 43 +966 5554 8 08 10. Price Order No. VAV family (4) CMV System (15) VAV-Compact (13) VAV-Universal . For two-pipe fan coil, chilled ceiling, heat pump, and unit ventilator applications. Many VAV controllers require a minimum differential pressure signal of 0. Hahn-Mason has 10 offices conveniently located in Raleigh, Charlotte, Asheville,. (0 to 25. Price Industries is pleased to introduce Catalog 9. Available with standard PSC or high efficiency ECM brushless DC motor. As the primary air damper closes, the bypass port damper opens and vice versa so that a required volume of air is delivered by the air terminal to the conditioned zone, but in varying amounts of air volumes are delivered. Clause 54” List Price % Discount NYS Net Price BAS Integration PC1251 (Trane) Trane Bridge 16" DIN Rail Encl Solid Door, 120 VAC X13651618010 1 $ 704. This exclusive, patented, pre-assembled variable air volume (VAV) system, delivered to job sites ready for immediate installation, will help you save time and money on job installations. Choose an existing Project List to add this product:. For retrofit applications, the RDV can. Asli Mechanical Sdn. 3. Precise size of coated galvanized steel damper plate, perfect air proof; 4. For retrofit applications, the RDV can. Model SDV Single Duct Terminal Unit - Bare Box: Check up to five results to perform an action. D3001 NAILOR 12 INCH SINGLE DUCT VAV BOX. There are 2-3 types of power point depending on the kind of appliance that would be connected to that point. Location. The three-digit addressand VAV inlet static pressure. mm. 4 Global Variable Air Volume (VAV) Box Sales, Revenue and Growth Rate by Type (2017-2022) 5. ___ ___ ___ Dylan Mechanical Construction Services, Inc BT Collins High Tech RTS, Sacramento, CA Page Controls . Single Blade, Dual Density Control Damper With Polyolefin Insulation Seal. Variable-Air-Volume (VAV) Box Controller • VAV-SVX07*-EN — Tracer® UC400 Programmable BACnet® Controller for VAV Units • VAV-SVP01*-EN — VAV VV550 LonTalk® Controller • VAV-SVX01*-EN — VAV-UCM 4. 2. There are three rotary switches on the front of the contro llers that are used to define a three-digit address when they are installed on a BACnet communications network. $0. CHICAGO, Aug. Several different types of VAV diffusers exist, however most can be grouped into two models: Thermally Powered and Electronically Powered. Energy-efficient fan motor, permanent split capacitor type, mounted with vibration isolators. 40% between 2022, the vav box market is projected to grow at a CAGR of 3. The terminal unit controls are supplied by the controls contractor and either factory or field mounted and wired. “Dual Maximum VAV Box Logic”, ASHRAE Journal, December 2012. - Individually adjustable minimum and maximum air volume. Receiving Inspectionavailable with any of the standard Price liner options. Flexible Duct. Receiving Inspection + All Price liner options. velocity pressure (on the far right). taken through the VAV controller and the VAV's should have the provision to accept the signal. Maximum airflow limit is based on max 1. Key topics critical to optimal VAV design and performance are addressed in the following chapters: 1) early design issues, 2) zone issues, 3) VAV box selection, 4) duct design, 5) supply air temperature reset, 5) fan type, size and control, 6) coils and filters, and 7) outdoor air, return air and exhaust air. You need about 16”-18” of clearance from the inlet of the VAV to fit the retrofit kit in. 4 Korea Variable Air Volume (VAV) Box Market Size and Price Analysis 2015-2020 4. V2RVg SDV/SDVQ Damper Actuator Controller Manufacturer Price Controls Price Controls Honeywell Honesm. The next category is of Power point outlets. Documents Details. Hope that helped. Because the supply air temperature, in this simplest of VAV systems, is constant, the air flow rate must vary. Condition: New. The Price DDS is a compact, standard mixing dual duct terminal unit, ideal for projects with space limitations and normal sound and mixing requirements. We’re here to help you. The X45B Controller Card is a CBL32 universal multi-functional analog/digital input/output controller device. 4. AIR TERMINALS (VAV) P. The MQTHI5 unit sets the standard in the industry for construction, performance, and quality. 3. Price Range : Rs 15000 - 80000 / Piece . Next. Rectangular VAV terminal units for the extract air control in buildings with variable air volume systems, demanding acoustic requirements and low airflow velocities. Variable Air Volume (VAV boxes) are used in HVAC systems to better control air flow to a specific zone. Grille, register and diffuser applications include aesthetic, functional (are direction and control) or a combination of. Acoustic Media: Inorganic ,fire resistant , vermin and moisture proof sound absorbent. Condition: New. When the system is functional and has been controlling for eight hours or more, evaluate the system operation using Collect VAV Diagnostics on the Action menu. 2 inches of water column pressure), and the cooling capacity varies to maintain around a 55° supply air temperature. are available with any of the standard Price liner options. Traditional air systems are a constant air system, with only control on the air temperature. V b3-865. joey791. Field of application: VAV units in comfort applications. & VAV Boxes Item Number Size CFM At 500FPM Neck Velocity List Price PDDR1010/1212 10 x 10 / 12 x 12 347 $43. 20 1/8 in. 00% $366.